81a^2=100

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Solution for 81a^2=100 equation: 


Simplifying
81a2 = 100

Solving
81a2 = 100

Solving for variable 'a'.

Move all terms containing a to the left, all other terms to the right.

Divide each side by '81'.
a2 = 1.234567901

Simplifying
a2 = 1.234567901

Take the square root of each side:
a = {-1.111111111, 1.111111111}

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